Why Choose the ABB MS165-73 Manual Motor Starter?
The ABB 1SAM451000R1018 MS165-73 is a compact and powerful manual motor starter (motor protection circuit breaker) designed for reliable switching and protection of industrial motors against overload, short circuit and phase failure conditions. As part of the advanced ABB MS165 motor protection starter series, it provides dependable motor protection for demanding automation and industrial applications.
This manual motor starter combines motor switching, isolation and protection functions in one compact device, helping simplify electrical panel design and improve system reliability. The MS165 series features temperature compensation, a trip-free mechanism, clear ON/OFF/TRIP indication and a lockable rotary handle for safe operation.
With an adjustable current setting range of 62–73 A and a rated operational current of 73 A, the ABB MS165-73 is suitable for protecting motors up to 37 kW at 400 V AC. Its compact 55 mm housing enables efficient DIN rail installation in industrial control cabinets.
Key Advantages
- Compact manual motor starter for industrial motor protection.
- 62–73 A adjustable current range for flexible motor protection.
- 37 kW motor protection capability at 400 V AC.
- Protects motors against overload, short circuit and phase failure.
- Integrated disconnect function reduces additional switching components.
- Lockable rotary handle with clear operating position indication.
Key Features
- ABB MS165 motor protection starter series.
- MS165-73 model.
- 62–73 A adjustable overload setting range.
- 73 A rated operational current.
- 3-pole motor protection design.
- Trip class 10 overload protection.
- Integrated short-circuit protection and fault indication.
- Temperature compensated operation.
- Built-in isolation function.
- DIN rail mounting with screw terminals.
Reliable Motor Protection for Industrial Systems
Manual motor starters such as the ABB MS165-73 provide combined switching and protection by monitoring motor current and disconnecting equipment during overload, short circuit or phase failure conditions. This helps prevent motor damage and improves operational reliability in industrial machinery.
The ABB MS165 series is designed for machine builders, OEM manufacturers and industrial automation engineers requiring robust motor protection in compact control panels. Its accessories, including auxiliary contacts and signalling components, allow flexible integration into motor starter assemblies.
Typical Applications
- Industrial machinery and production equipment.
- Large conveyors and material handling systems.
- Pumps, fans and process equipment.
- Manufacturing and automation systems.
- OEM motor starter panels.
- Industrial electrical distribution systems.
